Nightroll

Free JWT Decoder

Paste a JWT to read what is inside.

Decoded in your browser. The signature is not checked.

How to make a decoded JWT

  1. Paste the token (with or without “Bearer ”).
  2. Read the header and the payload.
  3. Check when it was issued and when it expires.

Frequently asked questions

Is it safe to paste a real token?
It never leaves this page. Still, treat tokens like passwords and prefer expired or test tokens.
Does it check the signature?
No. Checking needs the secret or public key; this tool only shows the contents.